(1)
Sudjana, A. Matz, Adolph and Milton F. Usry. Cost Accounting. Sixth Edition. South Western Publishing Co. Mulyadi. Akuntansi Biaya. Edisi 3. Yogyakarta: BPFE. Undang-Undang Nomor 17 Tahun 2000 Tentang Pajak Penghasilan. Journal The Winners 2004, 5, 137-142.